National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

N/A

Humidity NA
Wind Speed SW 5 mph
Barometer 29.85 in
Dewpoint N/A
Visibility 10.00 mi
Last update 12 Oct 5:15 am CDT
Extended Forecast for

Jefferson WI

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. Southwest wind 5 to 15 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. South wind around 10 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. West wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Increasing clouds, with a low around 56. Calm wind.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. Northeast wind around 5 mph.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Northeast wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 64. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 43. North wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 43 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Sunny, with a high near 86. Southwest wind 5 to 15 mph.
Tonight
Mostly clear, with a low around 67. South wind around 10 mph.
Tuesday
Sunny, with a high near 77. West wind 5 to 10 mph.
Tuesday Night
A 50 percent chance of showers. Increasing clouds, with a low around 56. Calm wind.
Wednesday
Mostly cloudy, with a high near 67. Northeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 49. Northeast wind around 5 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 64. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 43. North wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
Partly sunny, with a high near 55. Breezy.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WI
 43.01°N 88.81°W (Elev. 833 ft)
Last Update:
4:33 am CDT Oct 12, 2026
Forecast Valid:
5am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation